Home / 1,466,143.70-2,023,391.80-821,623.86

Finding the Fourth Proportional to 1,466,143.70, 2,023,391.80 and 821,623.86

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Solution

The fourth proportional to 1,466,143.70, 2,023,391.80 and 821,623.86 is: 1,133,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,143.70 : 2,023,391.80 = 821,623.86 : x
  2. Step 2: Convert to fraction form
    1,466,143.70/2,023,391.80 = 821,623.86/x
  3. Step 3: Cross multiply
    1,466,143.70x = 2,023,391.80 × 821,623.86
  4. Step 4: Simplify right side
    1,466,143.70x = 1,662,466,981,008.35
  5. Step 5: Solve for x
    x = 1,662,466,981,008.35/1,466,143.70
  6. Step 6: Final answer
    x = 1,133,904.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.